@arrowWid:60px;
.disappear{
  display: none !important;
}
.mid-center{
  position: absolute;
  margin: auto;
  top:0;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
}
header{
  width:100%;
  background-color: rgba(255,255,255,1);
  z-index: 10;
  position: fixed;
  #nav{
    background-color: rgb(0, 188, 212);
    height: @arrowWid;
    color: rgba(255,255,255,1);
    position: relative;
    box-shadow: rgba(0, 0, 0, 0.12) 0px 1px 6px, rgba(0, 0, 0, 0.12) 0px 1px 4px;
    .arrow{
      cursor: pointer;
      width:@arrowWid;
      position: absolute;
      left: 0;
      height: 100%;
      img{
        .mid-center;
        width: 25px;
        height: 25px;
      }
    }
    #topic{
      font-size: 25px;
      text-align: center;
      line-height: @arrowWid;
      letter-spacing: 10px;
    }
  }
  #search{
    height: 35px;
    width:95%;
    margin: 10px auto;
    font-size: 16px;
    position: relative;
    .si{
      width: 35px;
      position: absolute;
      height: 100%;
      left: 0;
      img{
        .mid-center;
        width: 18px;
        height: 18px;
      }
    }
    .inp{
      line-height: 35px;
      display: block;
      height: 100%;
      padding-left: 35px;
      width: 100%;
    }
    .inp:focus + div>.hr2{
      transform: scaleX(1);
    }
    div{
      position: absolute;
      bottom: 0;
      width: 100%;
      .hr1{
        border-top: none rgb(224, 224, 224);
        border-left: none rgb(224, 224, 224);
        border-right: none rgb(224, 224, 224);
        border-bottom: 1px solid rgb(224, 224, 224);
        bottom: 0;
        box-sizing: content-box;
        margin: 0px;
        position: absolute;
        width: 100%;
      }
      .hr2{
        border-top: none rgb(0, 188, 212);
        border-left: none rgb(0, 188, 212);
        border-right: none rgb(0, 188, 212);
        border-bottom: 2px solid rgb(0, 188, 212);
        bottom: 0;
        box-sizing: content-box;
        margin: 0px;
        position: absolute;
        width: 100%;
        transform: scaleX(0);
        transition: all 450ms cubic-bezier(0.23, 1, 0.32, 1) 0ms;
      }
      
    }
  }
  
}
.columns{
  height: 40px;
  .column{
    font-size: 18px;
    width:30%;
    height: 40px;
    float: left;
    margin: 0 1.5%;
    border-radius: 10px;
    text-align: center;
    padding-top: 6px;
    cursor: pointer;
    color:rgb(93, 90, 90);
    box-shadow: rgba(0, 0, 0, 0.12) 0px 1px 6px, rgba(0, 0, 0, 0.12) 0px 1px 4px;
    border-radius: 2px;
    transition: all 450ms cubic-bezier(0.23, 1, 0.32, 1) 0ms;
    top: 0px;
  }
}
#main{
  padding-top: 155px;
}
#game-list{
  margin-top: 10px; 
  ul{
    li{
      transition: all 450ms cubic-bezier(0.23, 1, 0.32, 1) 0ms;
      
      height: 45px;
      color: #5d5a5a;
      line-height: 45px;
      font-size: 16px;
      position: relative;
      &:hover{
        background-color: rgba(232,232,232,1);
      }
      .gameName{
        height: 100%;
        padding-left: 20px;
      }
      .collect{
        width: 45px;
        height: 45px;
        position: absolute;
        right: 0;
        top:0;
        background-repeat: no-repeat;
        background-size: 20px 20px;
        background-position: center;
      }

      .rank-notice{
        position: absolute;
        right: 10px;
        font-size: 14px;
        top:0;
      }
      &[data-favor='true'] .collect{
        background-image: url('../img/collected.svg');
      }
      &[data-favor='false'] .collect{
        background-image: url('../img/collect.svg');
      }
    }
  }
}